a = 1
b = 20
lis = [1, 2, 3, 4, 5]
if (a in lis):
    print("(1)a is in the list")
else:
    print("(1)a is not in the list")
if (b in lis):
    print("(2)b is in the list")
else:
    print("(2)b is not in the list")
    
